101 lines
3.0 KiB
C
101 lines
3.0 KiB
C
/*
|
|
* This file is part of the Chelsio T6 Crypto driver for Linux.
|
|
*
|
|
* Copyright (c) 2003-2016 Chelsio Communications, Inc. All rights reserved.
|
|
*
|
|
* This software is available to you under a choice of one of two
|
|
* licenses. You may choose to be licensed under the terms of the GNU
|
|
* General Public License (GPL) Version 2, available from the file
|
|
* COPYING in the main directory of this source tree, or the
|
|
* OpenIB.org BSD license below:
|
|
*
|
|
* Redistribution and use in source and binary forms, with or
|
|
* without modification, are permitted provided that the following
|
|
* conditions are met:
|
|
*
|
|
* - Redistributions of source code must retain the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer.
|
|
*
|
|
* - Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer in the documentation and/or other materials
|
|
* provided with the distribution.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*
|
|
*/
|
|
|
|
#ifndef __CHCR_CORE_H__
|
|
#define __CHCR_CORE_H__
|
|
|
|
#include <crypto/algapi.h>
|
|
#include "t4_hw.h"
|
|
#include "cxgb4.h"
|
|
#include "cxgb4_uld.h"
|
|
|
|
#define DRV_MODULE_NAME "chcr"
|
|
#define DRV_VERSION "1.0.0.0"
|
|
|
|
#define MAX_PENDING_REQ_TO_HW 20
|
|
#define CHCR_TEST_RESPONSE_TIMEOUT 1000
|
|
|
|
#define PAD_ERROR_BIT 1
|
|
#define CHK_PAD_ERR_BIT(x) (((x) >> PAD_ERROR_BIT) & 1)
|
|
|
|
#define MAC_ERROR_BIT 0
|
|
#define CHK_MAC_ERR_BIT(x) (((x) >> MAC_ERROR_BIT) & 1)
|
|
#define MAX_SALT 4
|
|
#define WR_MIN_LEN (sizeof(struct chcr_wr) + \
|
|
sizeof(struct cpl_rx_phys_dsgl) + \
|
|
sizeof(struct ulptx_sgl))
|
|
|
|
#define padap(dev) pci_get_drvdata(dev->u_ctx->lldi.pdev)
|
|
|
|
struct uld_ctx;
|
|
|
|
struct _key_ctx {
|
|
__be32 ctx_hdr;
|
|
u8 salt[MAX_SALT];
|
|
__be64 reserverd;
|
|
unsigned char key[0];
|
|
};
|
|
|
|
struct chcr_wr {
|
|
struct fw_crypto_lookaside_wr wreq;
|
|
struct ulp_txpkt ulptx;
|
|
struct ulptx_idata sc_imm;
|
|
struct cpl_tx_sec_pdu sec_cpl;
|
|
struct _key_ctx key_ctx;
|
|
};
|
|
|
|
struct chcr_dev {
|
|
spinlock_t lock_chcr_dev;
|
|
struct uld_ctx *u_ctx;
|
|
unsigned char tx_channel_id;
|
|
unsigned char rx_channel_id;
|
|
};
|
|
|
|
struct uld_ctx {
|
|
struct list_head entry;
|
|
struct cxgb4_lld_info lldi;
|
|
struct chcr_dev *dev;
|
|
};
|
|
|
|
struct uld_ctx * assign_chcr_device(void);
|
|
int chcr_send_wr(struct sk_buff *skb);
|
|
int start_crypto(void);
|
|
int stop_crypto(void);
|
|
int chcr_uld_rx_handler(void *handle, const __be64 *rsp,
|
|
const struct pkt_gl *pgl);
|
|
int chcr_handle_resp(struct crypto_async_request *req, unsigned char *input,
|
|
int err);
|
|
#endif /* __CHCR_CORE_H__ */
|